/*
 * Copyright 2007-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.paoding.rose.web.instruction;

import net.paoding.rose.Rc;
import net.paoding.rose.impl.util.PlaceHolderUtils;
import net.paoding.rose.web.var.Model;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.web.context.ConfigurableWebApplicationContext;

/**
 * 
 * @author qieqie.wang@paoding.net
 * 
 */
public abstract class AbstractInstruction implements Instruction,
		ApplicationContextAware {

	private ConfigurableWebApplicationContext applicationContext;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext)
			throws BeansException {
		this.applicationContext = (ConfigurableWebApplicationContext) applicationContext;
	}

	public ConfigurableWebApplicationContext getApplicationContext() {
		return applicationContext;
	}

	public Model getModel() {
		return Rc.model();
	}

	protected String resolvePlaceHolder(String text) {
		return PlaceHolderUtils.resolve(text, getModel().getAttributes(), Rc
				.request());
	}

}
